You know why it's amazing? the previous comment have already said it but it's REALL like a Bucky memory. He doesn't even know if it's a dream, of a real memory, he doesn't see face and heard words, but he just remember the scene, the color, the feelings. I really like it.
Wow, my first thought that it was a figment of Bucky's memory and the blurriness was like an adaptation how memories form in his mind xD And then I realized you said it was just a color gesture haha. Still cool!!!